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33 application integration engineer jobs at 28 companies in Aurora, IL

2mo
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Application Engineer
Chicago, Illinois, United States
$80k-$180k/yr OnsiteFull Time
Forgent
Forgent: Specialized provider of critical power infrastructure and transformer solutions.
2+ YOEBachelor’s in Mechanical Engineering; 2–5 years in application or mechanical design; experience with mechanical integration of electrical equipment; proficient in SolidWorks/AutoCAD; knowledge of electrical/control systems a plus; PE license a plus.
SolidWorks, AutoCAD, FEA
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2w
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Senior Integration Engineer
Chicago, Illinois, United States
OnsiteFull Time
Paul Hastings
Paul Hastings: International law firm providing legal and regulatory consulting services.
7+ YOE7+ years in application development or integration engineering; expert Workato or iPaaS experience, APIs (REST/SOAP/GraphQL), webhooks, SQL, JavaScript/Python, OAuth, JSON/XML; Bachelor's in CS/IS or equivalent; strong communication and leadership.
Workato, iPaaS, APIs, REST, SOAP, GraphQL, webhooks, OAuth, JSON, XML, SQL, JavaScript, Python, SDKs, Workato formulas, Jira
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1w
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Application Engineer
Hoffman Estates or St. Louis
OnsiteFull Time
Nidec
NidecTokyo Stock Exchange: 6594: Manufactures electric motors and electronic components for industrial applications.
Experience in motion control, motor drives, system integration, PLC programming, and customer-facing technical support; familiarity with industrial communication protocols and ROS; bachelor's degree or technical degree preferred.
CANopen, EtherCAT, PROFINET, EtherNet/IP, PLC, ROS (Robot Operating System), SolidWorks
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1mo
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Powertrain Application Engineer
Burr Ridge, Illinois, United States
$80k-$122k/yr HybridFull Time
IDV
IDVEuronext Milan: IVG: Designs and manufactures military and civil protection vehicles.
3+ YOEBachelor's in engineering and 3+ years engine or equipment engineering experience; testing and vehicle integration experience preferred; ability to travel ~50%; strong technical writing and critical thinking.
INCA, MATLAB, CANalyzer, Microsoft Office Suite
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Senior Application Engineer I
Washington D.C. or Chicago or New York City or Los Angeles
$133k-$183k/yr HybridFull Time
Kirkland & Ellis
Kirkland & Ellis: Provides legal services for corporate, litigation, and transactional matters.
8+ YOE8+ years in advanced application support/configuration, experience with e-discovery and litigation platforms, APIs/ETL/data integrations, Microsoft SQL, Linux, REST APIs, PowerShell, emerging AI, strong communication and problem-solving.
Relativity Server/One, Reveal, BrainSpace, AI, APIs, REST APIs, ETL, data pipelines, Microsoft SQL, Linux, PowerShell
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3w
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Building Controls Application Engineer
San Diego or Dallas or Chicago or Waco or Boston or Ashburn or Houston or Lehi or Denver
$120k-$130k/yr HybridFull Time
Mantis Innovation
Mantis Innovation: Provides managed facility services and energy procurement solutions.
10+ YOE10+ years engineering experience, 5+ years BMS application development; DDC and PLC programming, BACnet/Modbus/Ethernet-IP integrations, Niagara (Niagara N4), Ignition, Wonderware, Distech, networking knowledge, and Microsoft Office proficiency.
BMS, SCADA, DDC, PLC, BACnet, Modbus, Niagara, Niagara N4, Ignition, Wonderware, Distech, Ethernet/IP, SNMP, MQTT, Microsoft Office
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3w
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Integration Support Engineer
Chicago, Illinois, United States
$90k-$110k/yr RemoteFull Time
RJW Logistics Group
RJW Logistics Group: Provides warehousing, transportation, and retail supply chain consolidation services.
3+ YOEBachelor's in CS/IT or equivalent, 3+ years integration/EDI or application support experience, strong EDI (X12, EDIFACT), REST/SOAP APIs, XML/CSV/JSON, integration platforms, troubleshooting and communication skills.
EDI, X12, EDIFACT, REST, SOAP, XML, CSV, JSON, MuleSoft, Dell Boomi, IBM Sterling, Cleo, SAP, Oracle, Microsoft Dynamics, NetSuite, MQ, Kafka, SQL
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4d
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AI Integration/Application Specialist
Chicago, Illinois, United States
$221k-$300k/yr OnsiteFull Time
Siemens
SiemensXETRA: SIE: Manufactures industrial automation, infrastructure, and energy technology systems.
10+ YOEBachelor's or Master's in CS/AI/Data Science/Engineering,10+ years integrating and validating AI/ML/GenAI in industrial environments,10+ years programming (Python,R,Java),customer-facing experience,travel up to 20%,US work authorization required.
LLMs, Python, R, Java, Senseye, AI on Industrial Edge
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Senior Integration & Applications Developer
Itasca, Illinois, United States
$125k/yr OnsiteFull Time
Mid-America Overseas
Mid-America Overseas: International freight forwarding, customs brokerage, and logistics services provider.
15+ YOE15+ years in logistics/transportation; strong Microsoft SQL Server and T-SQL skills; experience with EDI (X12, EDIFACT), Altova tools, .NET/ASP.NET, JavaScript/TypeScript, and integration transports (MQ, AS2, SFTP).
Microsoft SQL Server, T-SQL, SSIS, MapForce, XMLSpy, StyleVision, Altova Server, .NET, .NET Core, ASP.NET, JavaScript, TypeScript, RESTful services, X12, EDIFACT, MQ, AS2, SFTP, XML, JSON, Cargowise, TMS, WMS, EDI VANs
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1w
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Senior Business Application Engineer
Chicago, Illinois, United States
$125k-$147k/yr HybridFull Time
The Aspen Group
The Aspen Group: Provides comprehensive business support for retail healthcare practices.
6+ YOE6+ years owning enterprise business applications, workforce management platforms, integrations (APIs), Python/Scripting and SQL proficiency, vendor management, strong communication and independent judgment.
Python, SQL, Workday, APIs
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Lead Application Developer
Rolling Meadows, Illinois, United States
$102k-$199k/yr HybridFull Time
Arthur J. Gallagher & Co.
Arthur J. Gallagher & Co.NYSE: AJG: Global insurance brokerage and risk management services provider.
7+ YOE7+ years of Salesforce architecture and development experience with Revenue Cloud/CPQ, Apex, LWC, integrations (REST/SOAP), large data handling, CI/CD (VS Code, Git, Azure DevOps), and strong stakeholder/communication skills; university degree typically required.
Salesforce, Sales Cloud, Service Cloud, Revenue Cloud Advanced/ CPQ, Apex, Lightning Web Components (LWC), Aura Components, Salesforce Flows & Automation, OmniStudio, Digital Process Automation, SOQL, SOSL, REST/SOAP API, VS Code, Git, Azure DevOps, GitHub Copilot, CI/CD Pipelines, SQL Server
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Staff Security Engineer, Application Security
Chicago or California or Colorado or Florida or Georgia or Illinois or Indiana or Minnesota or Missouri or Montana or New Jersey or New York or North Carolina or Ohio or Oregon or Pennsylvania or South Carolina or Texas or Utah or Vermont or Virginia or Washington or Washington or Wisconsin
$210k-$260k/yr HybridFull Time
NinjaTrader
NinjaTrader: Provides futures brokerage services and a trading software platform.
7+ YOE7+ years in application/product/security engineering; hands-on threat modeling, vulnerability management, secure design, CI/CD integration, automation using Python/Go; experience with cloud-native AWS/GCP environments.
AWS, GCP, Python, Go, SAST, SCA, DAST, CI/CD, AI/LLMs
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3mo
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AI Application Developer
Chicago, Illinois, United States
$120k-$145k/yr HybridFull Time
University of Chicago
University of Chicago: Provides higher education and conducts academic research.
5+ YOE5-7 years of related work experience; strong background in C#, .NET, ASP.NET, SQL Server; experience with AI-assisted development tools; ability to design, develop, and integrate AI-powered solutions.
C#, .NET, ASP.NET, SQL Server, GitHub Copilot
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1w
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.NET Developer (Web Apps & APIs) – ERP Integration
Chicago, Illinois, United States
$70k-$85k/yr OnsiteFull Time
Conexus Food Solutions
Conexus Food Solutions: Manufactures and distributes Asian food products to food service providers.
Strong C# and .NET/.NET Core experience, building REST APIs and web applications, familiarity with SQL Server and Git, ERP integration experience (Dynamics 365 Business Central) preferred.
C#, .NET, .NET Core, SQL Server, Git, Microsoft Dynamics 365 Business Central, Azure, React, Angular, OAuth, JWT, CI/CD
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2mo
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System Applications Engineer - Lisle, Illinois, United States
Lisle or Fremont or Harrisburg
$110k-$160k/yr OnsiteFull Time
Koch Inc.
Koch Inc.: Operates global manufacturing, refining, and industrial technology businesses.
Bachelor's in Mechanical Engineering; system-level engineering experience; customer interfacing; CAD proficiency; electrical, thermal, and signal integrity awareness.
NX, CAD
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Applications Engineer - Financial Systems
Kansas City or Atlanta or New York or Chicago or Los Angeles or Washington or Birmingham or Boston or Chattanooga or Charleston or Dallas or Denver or Edwardsville or Fort Lauderdale or Fort Worth or Houston or Jefferson City or Miami or Nashville or Park City or Philadelphia or Phoenix or Raleigh or Seattle or San Francisco or Salt Lake City or St. Joseph or St. Louis or Wilmington
$130k-$150k/yr RemoteFull Time
Polsinelli
Polsinelli: Am Law 100 law firm providing comprehensive legal services.
Experience supporting legal finance applications (Elite 3E or similar), strong SQL and BI skills, integrations, and cross-functional collaboration.
Elite 3E, Aderant Expert, Aderant Sierra, Bo​omi, BizTalk, SQL, Power BI, SSRS, Chrome River/Emburse, ClientPay/LawPay, ALP Imaging, Clocktimizer, Xcelerate, e-billing platforms, XML, CSV, APIs
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3mo
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Principal Innovation Engineer
Minnetonka or Austin or Chicago or Dallas or Detroit or Atlanta or Houston or Akron or Birmingham or Charlotte or Indianapolis or Pittsburgh or Cincinnati or Cleveland
$102k-$208k/yr OnsiteFull Time
Huntington
HuntingtonNASDAQ: HBAN: Provides regional commercial, consumer, and mortgage banking services.
10+ YOEBachelor’s degree in Computer Science or related field; 10+ years in software engineering and architecture; hands-on end-to-end development; experience with AI-enabled applications and API/integration patterns; ability to lead complex initiatives in fast-paced environment.
Java, Python, TypeScript, JavaScript, React, Next.js, APIs, Workflow automation, Cloud platforms, Vertex AI, Gemini
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Generative AI Lead Engineer
Dallas or Stamford or Chicago
$120k-$140k/yr HybridFull Time
Cognizant
CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.
5+ YOEStrong experience in Generative AI, LLMs, prompt engineering; hands-on with .NET, React, Python; experience with RAG architectures, API integrations; Azure cloud; ability to deploy AI-enabled applications.
.NET, React, Python, LangChain, LlamaIndex, Claude, Azure, RAG
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4d
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Website Engineer, Vice President
Chicago or New York City
$160k-$175k/yr HybridFull Time
Guggenheim Partners: Provides investment banking and asset management services.
8+ YOE8+ years building large web applications; strong React experience, WordPress integration, Webpack, Azure, EMR? (EMR not mentioned)
React, WordPress, Webpack, Azure, C#, Angular, Figma, Jira, Cursor, Vercel
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1w
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Senior Software Engineer, Integrations
Chicago or Woodridge
$115k-$210k/yr HybridFull Time
Mashgin
Mashgin: AI-powered touchless checkout kiosks for retail and dining.
5+ YOE5+ years coding experience, B.S. in CS or equivalent, strong Python/C/C++/TypeScript skills, experience with firmware-to-application integrations, customer-facing troubleshooting, and building production software.
Python, C++, TypeScript, C
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